Keystones — Capstone
Five GCSE retrieval questions · 29 July 2022 · mathsvault.uk/keystones
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1. Number
The temperature is -11°C. It rises by 11°C. What is the new temperature?
Answer: 0°C -
2. Algebra
Solve: x⁄2 = 8.5
Answer: x = 17 -
3. Geometry
Adjacent = 17cm, hypotenuse = 31cm. Find the angle
Answer: 56.7° -
4. Ratio
Calculate 16.6% of 567
Answer: 94.12 -
5. Statistics
The mean of 6 numbers is 21. If 5 of them are 49, 50, 27, 22, 27, what is the missing number?
Answer: -49